Bug 981112 (CVE-2016-1838) - VUL-0: CVE-2016-1838: libxml2: Heap-based buffer overread in xmlParserPrintFileContextInternal
Summary: VUL-0: CVE-2016-1838: libxml2: Heap-based buffer overread in xmlParserPrintFi...
Status: RESOLVED FIXED
Alias: CVE-2016-1838
Product: SUSE Security Incidents
Classification: Novell Products
Component: Incidents (show other bugs)
Version: unspecified
Hardware: Other Other
: P3 - Medium : Normal
Target Milestone: ---
Deadline: 2016-06-17
Assignee: Security Team bot
QA Contact: Security Team bot
URL:
Whiteboard: CVSSv2:NVD:CVE-2016-1838:6.8:(AV:N/AC...
Keywords:
Depends on:
Blocks:
 
Reported: 2016-05-23 11:44 UTC by Alexander Bergmann
Modified: 2017-05-11 01:10 UTC (History)
2 users (show)

See Also:
Found By: ---
Services Priority:
Business Priority:
Blocker: ---
Marketing QA Status: ---
IT Deployment: ---

Attachments
Reproducer (10.00 KB, text/plain)
2016-06-07 10:15 UTC, Alexander Bergmann 		Details
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Description Alexander Bergmann 2016-05-23 11:44:35 UTC 
https://git.gnome.org/browse/libxml2/tag/?h=CVE-2016-1838

Heap-based buffer overread in xmlParserPrintFileContextInternal 

https://bugzilla.gnome.org/show_bug.cgi?id=758588

* parser.c: (xmlParseEndTag2):
Add bounds checks before dereferencing ctxt->input->cur past the end of the buffer, or incrementing the pointer past the end of the buffer.

* result/errors/758588.xml: Add test result.
* result/errors/758588.xml.err: Ditto.
* result/errors/758588.xml.str: Ditto.
* test/errors/758588.xml: Add regression test.

https://git.gnome.org/browse/libxml2/commit/?h=CVE-2016-1838&id=db07dd613e461df93dde7902c6505629bf0734e9
Comment 1 Swamp Workflow Management 2016-05-23 22:02:01 UTC 
bugbot adjusting priority
Comment 5 Swamp Workflow Management 2016-06-03 13:05:32 UTC 
An update workflow for this issue was started.
This issue was rated as moderate.
Please submit fixed packages until 2016-06-17.
When done, reassign the bug to security-team@suse.de.
https://swamp.suse.de/webswamp/wf/62795
Comment 6 Alexander Bergmann 2016-06-07 10:15:08 UTC 
Created attachment 679865 [details]
Reproducer

This reproducer comes from a public GNOME bugzilla bug.

https://bugzilla.gnome.org/show_bug.cgi?id=758588#c0
Comment 7 Swamp Workflow Management 2016-06-09 16:09:23 UTC 
SUSE-SU-2016:1538-1: An update that fixes 15 vulnerabilities is now available.

Category: security (important)
Bug References: 963963,965283,978395,981040,981041,981108,981109,981111,981112,981114,981115,981548,981549,981550
CVE References: CVE-2015-8806,CVE-2016-1762,CVE-2016-1833,CVE-2016-1834,CVE-2016-1835,CVE-2016-1837,CVE-2016-1838,CVE-2016-1839,CVE-2016-1840,CVE-2016-2073,CVE-2016-3705,CVE-2016-4447,CVE-2016-4448,CVE-2016-4449,CVE-2016-4483
Sources used:
SUSE Linux Enterprise Software Development Kit 12-SP1 (src):    libxml2-2.9.1-24.1
SUSE Linux Enterprise Software Development Kit 12 (src):    libxml2-2.9.1-24.1
SUSE Linux Enterprise Server 12-SP1 (src):    libxml2-2.9.1-24.1, python-libxml2-2.9.1-24.1
SUSE Linux Enterprise Server 12 (src):    libxml2-2.9.1-24.1, python-libxml2-2.9.1-24.1
SUSE Linux Enterprise Desktop 12-SP1 (src):    libxml2-2.9.1-24.1, python-libxml2-2.9.1-24.1
SUSE Linux Enterprise Desktop 12 (src):    libxml2-2.9.1-24.1, python-libxml2-2.9.1-24.1
Comment 8 Swamp Workflow Management 2016-06-16 11:10:10 UTC 
openSUSE-SU-2016:1594-1: An update that solves 12 vulnerabilities and has one errata is now available.

Category: security (important)
Bug References: 972335,975947,978395,981040,981041,981108,981109,981110,981111,981112,981114,981115,983288
CVE References: CVE-2016-1762,CVE-2016-1833,CVE-2016-1834,CVE-2016-1835,CVE-2016-1836,CVE-2016-1837,CVE-2016-1838,CVE-2016-1839,CVE-2016-1840,CVE-2016-3627,CVE-2016-3705,CVE-2016-4483
Sources used:
openSUSE 13.2 (src):    libxml2-2.9.4-7.17.1, python-libxml2-2.9.4-7.17.1
Comment 9 Swamp Workflow Management 2016-06-16 11:12:15 UTC 
openSUSE-SU-2016:1595-1: An update that fixes 15 vulnerabilities is now available.

Category: security (important)
Bug References: 963963,965283,978395,981040,981041,981108,981109,981111,981112,981114,981115,981548,981549,981550
CVE References: CVE-2015-8806,CVE-2016-1762,CVE-2016-1833,CVE-2016-1834,CVE-2016-1835,CVE-2016-1837,CVE-2016-1838,CVE-2016-1839,CVE-2016-1840,CVE-2016-2073,CVE-2016-3705,CVE-2016-4447,CVE-2016-4448,CVE-2016-4449,CVE-2016-4483
Sources used:
openSUSE Leap 42.1 (src):    libxml2-2.9.1-19.1, python-libxml2-2.9.1-19.1
Comment 10 Swamp Workflow Management 2016-06-17 13:09:48 UTC 
SUSE-SU-2016:1604-1: An update that fixes 15 vulnerabilities is now available.

Category: security (important)
Bug References: 963963,965283,978395,981040,981041,981108,981109,981111,981112,981114,981115,981548,981549,981550
CVE References: CVE-2015-8806,CVE-2016-1762,CVE-2016-1833,CVE-2016-1834,CVE-2016-1835,CVE-2016-1837,CVE-2016-1838,CVE-2016-1839,CVE-2016-1840,CVE-2016-2073,CVE-2016-3705,CVE-2016-4447,CVE-2016-4448,CVE-2016-4449,CVE-2016-4483
Sources used:
SUSE OpenStack Cloud 5 (src):    libxml2-2.7.6-0.44.1, libxml2-python-2.7.6-0.44.4
SUSE Manager Proxy 2.1 (src):    libxml2-2.7.6-0.44.1, libxml2-python-2.7.6-0.44.4
SUSE Manager 2.1 (src):    libxml2-2.7.6-0.44.1, libxml2-python-2.7.6-0.44.4
SUSE Linux Enterprise Software Development Kit 11-SP4 (src):    libxml2-2.7.6-0.44.1
SUSE Linux Enterprise Server 11-SP4 (src):    libxml2-2.7.6-0.44.1, libxml2-python-2.7.6-0.44.4
SUSE Linux Enterprise Server 11-SP3-LTSS (src):    libxml2-2.7.6-0.44.1, libxml2-python-2.7.6-0.44.4
SUSE Linux Enterprise Server 11-SP2-LTSS (src):    libxml2-2.7.6-0.44.1, libxml2-python-2.7.6-0.44.4
SUSE Linux Enterprise Debuginfo 11-SP4 (src):    libxml2-2.7.6-0.44.1, libxml2-python-2.7.6-0.44.4
SUSE Linux Enterprise Debuginfo 11-SP3 (src):    libxml2-2.7.6-0.44.1, libxml2-python-2.7.6-0.44.4
SUSE Linux Enterprise Debuginfo 11-SP2 (src):    libxml2-2.7.6-0.44.1, libxml2-python-2.7.6-0.44.4
Comment 11 Marcus Meissner 2016-08-01 09:08:42 UTC 
all released